Year	MJ/$2011 PPP GDP
1990	3.3460632537509
1991	3.68673236272968
1992	3.51633812467102
1993	3.56398997045095
1994	4.50758984071598
1995	4.53893181504066
1996	4.74837401825166
1997	4.95629689043879
1998	4.31211291956725
1999	4.4040352834888
2000	4.18800058832436
2001	4.24085012570411
2002	4.21205120106908
2003	4.65074011213165
2004	4.850989749088
2005	4.68736193982246
2006	5.01664136857179
2007	4.12387360477116
2008	4.21065851475371
2009	4.59170624632213
2010	4.94368275651853
2011	4.61244258795551
2012	4.64413661295038
2013	4.97295315072187
2014	4.66319083858471
2015	4.6913729905816